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Current Fellows in the Radiation Epidemiology Branch

Meet the fellows in the Radiation Epidemiology Branch (REB) and learn about their work.

  • Macy E. Corley, B.S.N., R.N.

    Ms. Corley is an NCI iCURE Scholar and postbaccalaureate fellow in REB validating cancer treatment in SEER using electronic medical record and prescription file data from the Kaiser Permanente Breast Cancer Survivors Cohort. Her mentors are Drs. Jacqueline B. Vo and Lene Veiga.

  • Keith Griffin, Ph.D., M.S.

    Dr. Griffin, postdoctoral fellow in REB, is helping to establish the computational dosimetry methods needed for future epidemiological studies on the use of radiation in medical procedures, as well as for the atomic bomb survivors at Hiroshima and Nagasaki.. His mentor is Choonsik Lee, Ph.D.

  • Haegin Han, Ph.D.

    Dr. Han, postdoctoral fellow in REB, is working on dose assessment for patients and medical staff during the procedures that involve radiography and fluoroscopy under the mentorship of Dr. Choonsik Lee, head of REB’s Dosimetry Unit.

  • Tae-Eun Kwon, Ph.D.

    Dr. Kwon, postdoctoral fellow in REB, is working on dose assessment for thyroid cancer patients and on dose recalculation for the U.S. Radiologic Technologists Cohort study, under the mentorship of Choonsik Lee, Ph.D., head of REB’s Dosimetry Unit.

  • Jim Mai, M.D., M.P.H., Ph.D.

    Dr. Mai, research fellow in REB, works on multidisciplinary studies of UVR exposure, photosensitizing medications, oncoviruses infection/activation, and cancer risk among SEER participants, U.S. radiologic technologists, and Medicare recipients. His mentor is Elizabeth Cahoon, Ph.D.

  • Cato Milder, Ph.D., M.S.P.H.

    Dr. Milder, postdoctoral fellow in REB, is studying the etiology of thyroid cancer in Chernobyl residents exposed to radioactive iodine after the Chernobyl nuclear accident, and also sex-specific differences in cancer incidence and mortality in the U.S. Radiologic Technologists Cohort. His mentors are Dr. Lindsay Morton and Dr. Cari Kitahara, respectively.

  • Sergio Morato Rafet, Ph.D.

    Dr. Morato Rafet, postdoctoral fellow in REB, contributes to projects focused on Monte Carlo simulations and Deterministic Transport codes to calculate organ dose in radiotherapy, diagnostic imaging, and nuclear medicine, under the mentorship of Drs. Matthew Mille and Choonsik Lee.

  • Thi Van Trinh Tran, Ph.D., M.P.H., B.Pharm.

    Dr. Tran, postdoctoral fellow in REB, is working to understand the influence of early life risk exposures and hormonal factors on thyroid cancer risk and the secondary effects of radioactive iodine for thyroid cancer, under the mentorship of Cari Kitahara, Ph.D.

  • Bryan S. Valcarcel, M.D., M.P.H.

    Dr. Valcarcel, postdoctoral fellow in REB, is working on curating a comprehensive database of cancer survivors who received hematopoietic cell transplantation during treatment. The data will be used to help identify the development of subsequent malignancies. His mentor is Lindsay Morton, Ph.D.

  • Shahriar A. Zamani, Ph.D.

    Dr. Zamani, postdoctoral fellow in REB, examines the role of germline variants in subsequent cancer risk among childhood cancer survivors and characterizes the genomic landscape of thyroid malignancies. His mentor is Lindsay Morton, Ph.D.

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